select * from t_emp_winner;


create table t_emp_winner(
	id number(4) primary key,
	name varchar2(20),
	salary number(7,2),
	age number(3)
);

create sequence emp_seq_winner start with 1;

insert into t_emp_winner values(emp_seq_winner.nextval,'Lisa',3000.00,20);
insert into t_emp_winner values(emp_seq_winner.nextval,'花儿',3000.00,20);
insert into t_emp_winner values(emp_seq_winner.nextval,'少年',3000.00,20);
drop sequence emp_seq_winner
truncate table t_emp_winner
commit;
